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  Correlating the five parameter grain boundary character distribution and the intergranular corrosion behaviour of a stainless steel using 3D orientation microscopy based on mechanical polishing serial sectioning

An, D., Griffiths, T. A., Konijnenberg, P. J., Mandal, S., Wang, Z., & Zaefferer, S. (2018). Correlating the five parameter grain boundary character distribution and the intergranular corrosion behaviour of a stainless steel using 3D orientation microscopy based on mechanical polishing serial sectioning. Acta Materialia, 156, 297-309. doi:10.1016/j.actamat.2018.06.044.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-E639-C Version Permalink: http://hdl.handle.net/21.11116/0000-0001-E63A-B
Genre: Journal Article

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 Creators:
An, Dayong1, Author              
Griffiths, T. A.2, Author              
Konijnenberg, Peter Joachim3, Author              
Mandal, Suvendu4, Author              
Wang, Zhangqi2, Author              
Zaefferer, Stefan1, Author              
Affiliations:
1Microscopy and Diffraction, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863391              
2Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863381              
3Bruker Nano GmbH, Am Studio 2D, 12489 Berlin, Germany, persistent22              
4Theory and Simulation of Complex Fluids, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863393              

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Free keywords: Corrosion resistance; Corrosive effects; Crystal lattices; Grain boundaries; Integrated circuits; Intergranular corrosion; Polishing; Stainless steel, 3D EBSD; AISI 304L stainless steel; Coincidence site lattices; Electron back scatter diffraction; Grain boundary character; Grain boundary character distributions; High angle grain boundaries; Low angle grain boundaries, Steel corrosion
 Abstract: Using 3D-orientation microscopy consisting of electron backscatter diffraction (EBSD) and serial sectioning by mechanical polishing we investigated the correlation between grain boundary (GB) character expressed by its 5-rotational parameters and the GB precipitation and intergranular corrosion (IC) behaviour on an AISI 304L stainless steel. From the measurements, a volume of approximately 4.8 × 106 μm3 containing 451 grains and approximately 1500 GBs was reconstructed. Dominance of 111 planes for Σ3n (n = 1, 2, 3) GBs was found. In general, the IC behaviour of random high angle grain boundaries (RHAGBs) and low-Σ coincidence site lattice (CSL) boundaries (Σ ≤ 29) does not show a large difference. The corrosion behaviour of low angle grain boundaries (LAGBs) is strongly dependent on the misorientation angles, while the crystallographic GB plane becomes dominant for the behaviour of low-Σ CSL GBs and RHAGBs. It was found that the corrosion resistance is related on the atom packing density (APD) of the GB plane. High corrosion resistance appears for GBs with high APD values (in particular for the (111) planes with a maximum APD value). © 2018 Acta Materialia Inc.

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Language(s): eng - English
 Dates: 2018-09-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.actamat.2018.06.044
BibTex Citekey: An2018297
 Degree: -

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Title: Acta Materialia
  Abbreviation : Acta Mater.
Source Genre: Journal
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Publ. Info: Kidlington : Elsevier Science
Pages: - Volume / Issue: 156 Sequence Number: - Start / End Page: 297 - 309 Identifier: ISSN: 1359-6454
CoNE: /journals/resource/954928603100